PESA Bydgoszcz SA (PESA) is a Polish manufacturer and servicer of rail rolling stock headquartered in Bydgoszcz. The company designs and produces electric and diesel locomotives, electric and diesel multiple units, and city trams, and provides modernization, overhauls, and lifecycle maintenance for rail fleets.
PESA’s portfolio includes the Gama family of electric and diesel-electric locomotives, passenger EMUs and DMUs, railbuses, and tram platforms such as Swing and Twist. It supplies public and freight operators in Poland and other European markets, supporting operations with service facilities and diagnostic expertise. The company focuses on energy-efficient traction systems, onboard safety equipment, and condition-based maintenance solutions to improve reliability and reduce operating costs.